* {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: Arial, sans-serif;
      background-color: #f6b7d0;
      padding: 20px;
      max-width: 480px;
      margin: 40px auto;
      color: #333;
    }

    .heading {
      font-size: 32px;
      font-weight: bold;
      color: #ff0606;
      text-align: center;
      margin-bottom: 15px;
    }

    #chating {
      width: 100%;
      height: 500px;
      background-color: #ffd6e8;
      border-radius: 15px;
      box-shadow: 0 4px 10px rgba(224, 17, 17, 0.4);
      border: 1px solid rgb(244, 215, 215);
      padding: 15px;
      overflow-y: auto;
      font-size: 16px;
      margin-bottom: 15px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .msg {
      padding: 10px 15px;
      border-radius: 15px;
      max-width: 75%;
      word-wrap: break-word;
      box-shadow: 0 2px 6px rgba(0,0,0,0.1);
      animation: fadeIn 0.3s ease-in-out;
    }

    .user {
      background: #ffb3c1;
      align-self: flex-end;
      border-bottom-right-radius: 0;
    }

    .bot {
      background: #fff;
      align-self: flex-start;
      border: 1px solid #ccc;
      border-bottom-left-radius: 0;
    }

    input#input {
      width: 78%;
      padding: 12px 15px;
      font-size: 16px;
      border-radius: 15px;
      border: 1.5px solid #e50404;
      outline: none;
      background-color: #fff;
      box-shadow: 0 4px 10px rgba(224, 17, 17, 0.4);
    }

    button {
      width: 20%;
      padding: 12px 0;
      font-size: 16px;
      background-color: #e8c6d4;
      color: rgb(245, 15, 15);
      border: 1px solid rgb(229, 47, 7);
      border-radius: 10px;
      cursor: pointer;
      font-weight: 600;
      transition: 0.3s;
      box-shadow: 0 4px 10px rgba(224, 17, 17, 0.4);
    }

    button:hover {
      background-color: #ffccd5;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    @media (max-width: 480px) {
      body {
        margin: 20px 10px;
        padding: 20px 10px;
      }
      #chating {
        height: 60vh;
      }
    }